package chapter02;

public class Example30 {
    public static void main(String[] args) {
        int[][]arr=new int[3][];
        arr [0]=new int[]{11,12};
        arr [1]=new int[]{21,22,23};
        arr [2]=new int[]{31,32,33,34};
        int sum=0;
        for (int i = 0; i < arr.length; i++) {
            int groupSum=0;
            for (int j = 0; j < arr[i].length; j++) {
                groupSum=groupSum+ arr[i][j];

                }

                sum=sum+groupSum;
            System.out.println("第"+(i+1)+"小组销售额为："+groupSum+"万元。");
            }
        System.out.println("总销售额为:"+sum+"万元");
        }
    }

